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glennspace  
#1 Posted : Sunday, April 28, 2013 7:15:53 AM(UTC)
glennspace

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Joined: 3/18/2013(UTC)
Posts: 4

Kenmore, upright freezer,M#2539287413

repl the timer,unit cycles correctly with correct temp per service data sheet 216705500,
into defrost cycle, temp goes to 50F, 60F, 70F etc and stays there !!! it repeated same X2 ??

Please advise next check-out procedure ??
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denman  
#2 Posted : Monday, April 29, 2013 5:00:05 AM(UTC)
denman

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Here are your parts
Parts for Kenmore Freezer 2539287413 - AppliancePartsPros.com

Just to clarify your post.
The unit runs when cooling OK but when it goes into the defrost mode the temperature in the freezer gets too warm.
Is this correct?

If the above is correct then I would replace the defrost thermostat.

I could not find a wiring diagram for this unit so am doing a bit of guessing.
The timer is a 12 hour timer so it goes into a defrost cycle every 12 hours or every 12 hours of compressor on time.
The defrost time is fixed, it is usually 20 to 30 minutes and does not vary.
So in defrost, the defrost heater comes on. Once all the ice is melted off the evaporator coils the defrost thermostat opens killing power to the heater.
The defrost cycle then continues to run till the timer switches back to cooling mode but the heater is off.
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